Home / 174,440.30-261,660.45-90,200.30

Finding the Fourth Proportional to 174,440.30, 261,660.45 and 90,200.30

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Solution

The fourth proportional to 174,440.30, 261,660.45 and 90,200.30 is: 135,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,440.30 : 261,660.45 = 90,200.30 : x
  2. Step 2: Convert to fraction form
    174,440.30/261,660.45 = 90,200.30/x
  3. Step 3: Cross multiply
    174,440.30x = 261,660.45 × 90,200.30
  4. Step 4: Simplify right side
    174,440.30x = 23,601,851,088.14
  5. Step 5: Solve for x
    x = 23,601,851,088.14/174,440.30
  6. Step 6: Final answer
    x = 135,300.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.